Author: Carl Friedrich Bolz-Tereick <cfb...@gmx.de>
Branch: py3.6
Changeset: r97568:65e4ad6eb6b8
Date: 2019-09-20 12:43 +0200
http://bitbucket.org/pypy/pypy/changeset/65e4ad6eb6b8/
Log: merge default
diff too long, truncating to 2000 out of 8630 lines
diff --git a/extra_tests/cffi_tests/test_egg_version.py
b/extra_tests/cffi_tests/test_version.py
rename from extra_tests/cffi_tests/test_egg_version.py
rename to extra_tests/cffi_tests/test_version.py
--- a/extra_tests/cffi_tests/test_egg_version.py
+++ b/extra_tests/cffi_tests/test_version.py
@@ -1,6 +1,7 @@
from email.parser import Parser
import py
+import urllib2
import cffi
import pypy
@@ -10,3 +11,12 @@
def test_egg_version():
info = Parser().parsestr(egg_info.read())
assert info['version'] == cffi.__version__
+
+def test_pycparser_version():
+ url =
'https://raw.githubusercontent.com/eliben/pycparser/master/pycparser/__init__.py'
+ source = urllib2.urlopen(url).read()
+ dest = py.path.local(__file__).join('..', '..', '..', 'lib_pypy', 'cffi',
+ '_pycparser', '__init__.py').read()
+ # if this fails, the vendored pycparser is not the latest version
+ assert source.strip() == dest.strip()
+
diff --git a/lib_pypy/cffi/_pycparser/__init__.py
b/lib_pypy/cffi/_pycparser/__init__.py
--- a/lib_pypy/cffi/_pycparser/__init__.py
+++ b/lib_pypy/cffi/_pycparser/__init__.py
@@ -4,12 +4,14 @@
# This package file exports some convenience functions for
# interacting with pycparser
#
-# Copyright (C) 2008-2015, Eli Bendersky
+# Eli Bendersky [https://eli.thegreenplace.net/]
# License: BSD
#-----------------------------------------------------------------
__all__ = ['c_lexer', 'c_parser', 'c_ast']
-__version__ = '2.14'
+__version__ = '2.19'
+import io
+from subprocess import check_output
from .c_parser import CParser
@@ -27,7 +29,6 @@
When successful, returns the preprocessed file's contents.
Errors from cpp will be printed out.
"""
- from subprocess import Popen, PIPE
path_list = [cpp_path]
if isinstance(cpp_args, list):
path_list += cpp_args
@@ -38,11 +39,7 @@
try:
# Note the use of universal_newlines to treat all newlines
# as \n for Python's purpose
- #
- pipe = Popen( path_list,
- stdout=PIPE,
- universal_newlines=True)
- text = pipe.communicate()[0]
+ text = check_output(path_list, universal_newlines=True)
except OSError as e:
raise RuntimeError("Unable to invoke 'cpp'. " +
'Make sure its path was passed correctly\n' +
@@ -85,7 +82,7 @@
if use_cpp:
text = preprocess_file(filename, cpp_path, cpp_args)
else:
- with open(filename, 'rU') as f:
+ with io.open(filename) as f:
text = f.read()
if parser is None:
diff --git a/lib_pypy/cffi/_pycparser/_ast_gen.py
b/lib_pypy/cffi/_pycparser/_ast_gen.py
--- a/lib_pypy/cffi/_pycparser/_ast_gen.py
+++ b/lib_pypy/cffi/_pycparser/_ast_gen.py
@@ -7,7 +7,7 @@
# The design of this module was inspired by astgen.py from the
# Python 2.5 code-base.
#
-# Copyright (C) 2008-2015, Eli Bendersky
+# Eli Bendersky [https://eli.thegreenplace.net/]
# License: BSD
#-----------------------------------------------------------------
import pprint
@@ -63,6 +63,7 @@
contents: a list of contents - attributes and child nodes
See comment at the top of the configuration file for details.
"""
+
def __init__(self, name, contents):
self.name = name
self.all_entries = []
@@ -84,6 +85,8 @@
def generate_source(self):
src = self._gen_init()
src += '\n' + self._gen_children()
+ src += '\n' + self._gen_iter()
+
src += '\n' + self._gen_attr_names()
return src
@@ -131,6 +134,33 @@
return src
+ def _gen_iter(self):
+ src = ' def __iter__(self):\n'
+
+ if self.all_entries:
+ for child in self.child:
+ src += (
+ ' if self.%(child)s is not None:\n' +
+ ' yield self.%(child)s\n') % (dict(child=child))
+
+ for seq_child in self.seq_child:
+ src += (
+ ' for child in (self.%(child)s or []):\n'
+ ' yield child\n') % (dict(child=seq_child))
+
+ if not (self.child or self.seq_child):
+ # Empty generator
+ src += (
+ ' return\n' +
+ ' yield\n')
+ else:
+ # Empty generator
+ src += (
+ ' return\n' +
+ ' yield\n')
+
+ return src
+
def _gen_attr_names(self):
src = " attr_names = (" + ''.join("%r, " % nm for nm in self.attr)
+ ')'
return src
@@ -150,7 +180,7 @@
#
# AST Node classes.
#
-# Copyright (C) 2008-2015, Eli Bendersky
+# Eli Bendersky [https://eli.thegreenplace.net/]
# License: BSD
#-----------------------------------------------------------------
@@ -159,11 +189,38 @@
_PROLOGUE_CODE = r'''
import sys
+def _repr(obj):
+ """
+ Get the representation of an object, with dedicated pprint-like format for
lists.
+ """
+ if isinstance(obj, list):
+ return '[' + (',\n '.join((_repr(e).replace('\n', '\n ') for e in
obj))) + '\n]'
+ else:
+ return repr(obj)
class Node(object):
__slots__ = ()
""" Abstract base class for AST nodes.
"""
+ def __repr__(self):
+ """ Generates a python representation of the current node
+ """
+ result = self.__class__.__name__ + '('
+
+ indent = ''
+ separator = ''
+ for name in self.__slots__[:-2]:
+ result += separator
+ result += indent
+ result += name + '=' + (_repr(getattr(self, name)).replace('\n',
'\n ' + (' ' * (len(name) + len(self.__class__.__name__)))))
+
+ separator = ','
+ indent = '\n ' + (' ' * len(self.__class__.__name__))
+
+ result += indent + ')'
+
+ return result
+
def children(self):
""" A sequence of all children that are Nodes
"""
@@ -253,26 +310,29 @@
* Modeled after Python's own AST visiting facilities
(the ast module of Python 3.0)
"""
+
+ _method_cache = None
+
def visit(self, node):
""" Visit a node.
"""
- method = 'visit_' + node.__class__.__name__
- visitor = getattr(self, method, self.generic_visit)
+
+ if self._method_cache is None:
+ self._method_cache = {}
+
+ visitor = self._method_cache.get(node.__class__.__name__, None)
+ if visitor is None:
+ method = 'visit_' + node.__class__.__name__
+ visitor = getattr(self, method, self.generic_visit)
+ self._method_cache[node.__class__.__name__] = visitor
+
return visitor(node)
def generic_visit(self, node):
""" Called if no explicit visitor function exists for a
node. Implements preorder visiting of the node.
"""
- for c_name, c in node.children():
+ for c in node:
self.visit(c)
-
'''
-
-
-if __name__ == "__main__":
- import sys
- ast_gen = ASTCodeGenerator('_c_ast.cfg')
- ast_gen.generate(open('c_ast.py', 'w'))
-
diff --git a/lib_pypy/cffi/_pycparser/_build_tables.py
b/lib_pypy/cffi/_pycparser/_build_tables.py
--- a/lib_pypy/cffi/_pycparser/_build_tables.py
+++ b/lib_pypy/cffi/_pycparser/_build_tables.py
@@ -6,17 +6,21 @@
# Also generates AST code from the configuration file.
# Should be called from the pycparser directory.
#
-# Copyright (C) 2008-2015, Eli Bendersky
+# Eli Bendersky [https://eli.thegreenplace.net/]
# License: BSD
#-----------------------------------------------------------------
+# Insert '.' and '..' as first entries to the search path for modules.
+# Restricted environments like embeddable python do not include the
+# current working directory on startup.
+import sys
+sys.path[0:0] = ['.', '..']
+
# Generate c_ast.py
from _ast_gen import ASTCodeGenerator
ast_gen = ASTCodeGenerator('_c_ast.cfg')
ast_gen.generate(open('c_ast.py', 'w'))
-import sys
-sys.path[0:0] = ['.', '..']
from pycparser import c_parser
# Generates the tables
diff --git a/lib_pypy/cffi/_pycparser/ast_transforms.py
b/lib_pypy/cffi/_pycparser/ast_transforms.py
--- a/lib_pypy/cffi/_pycparser/ast_transforms.py
+++ b/lib_pypy/cffi/_pycparser/ast_transforms.py
@@ -3,7 +3,7 @@
#
# Some utilities used by the parser to create a friendlier AST.
#
-# Copyright (C) 2008-2015, Eli Bendersky
+# Eli Bendersky [https://eli.thegreenplace.net/]
# License: BSD
#------------------------------------------------------------------------------
@@ -43,7 +43,7 @@
Default:
break
- The goal of this transform it to fix this mess, turning it into the
+ The goal of this transform is to fix this mess, turning it into the
following:
Switch
@@ -74,7 +74,8 @@
# Goes over the children of the Compound below the Switch, adding them
# either directly below new_compound or below the last Case as appropriate
- for child in switch_node.stmt.block_items:
+ # (for `switch(cond) {}`, block_items would have been None)
+ for child in (switch_node.stmt.block_items or []):
if isinstance(child, (c_ast.Case, c_ast.Default)):
# If it's a Case/Default:
# 1. Add it to the Compound and mark as "last case"
diff --git a/lib_pypy/cffi/_pycparser/c_ast.py
b/lib_pypy/cffi/_pycparser/c_ast.py
--- a/lib_pypy/cffi/_pycparser/c_ast.py
+++ b/lib_pypy/cffi/_pycparser/c_ast.py
@@ -11,18 +11,45 @@
#
# AST Node classes.
#
-# Copyright (C) 2008-2015, Eli Bendersky
+# Eli Bendersky [https://eli.thegreenplace.net/]
# License: BSD
#-----------------------------------------------------------------
import sys
+def _repr(obj):
+ """
+ Get the representation of an object, with dedicated pprint-like format for
lists.
+ """
+ if isinstance(obj, list):
+ return '[' + (',\n '.join((_repr(e).replace('\n', '\n ') for e in
obj))) + '\n]'
+ else:
+ return repr(obj)
class Node(object):
__slots__ = ()
""" Abstract base class for AST nodes.
"""
+ def __repr__(self):
+ """ Generates a python representation of the current node
+ """
+ result = self.__class__.__name__ + '('
+
+ indent = ''
+ separator = ''
+ for name in self.__slots__[:-2]:
+ result += separator
+ result += indent
+ result += name + '=' + (_repr(getattr(self, name)).replace('\n',
'\n ' + (' ' * (len(name) + len(self.__class__.__name__)))))
+
+ separator = ','
+ indent = '\n ' + (' ' * len(self.__class__.__name__))
+
+ result += indent + ')'
+
+ return result
+
def children(self):
""" A sequence of all children that are Nodes
"""
@@ -112,21 +139,31 @@
* Modeled after Python's own AST visiting facilities
(the ast module of Python 3.0)
"""
+
+ _method_cache = None
+
def visit(self, node):
""" Visit a node.
"""
- method = 'visit_' + node.__class__.__name__
- visitor = getattr(self, method, self.generic_visit)
+
+ if self._method_cache is None:
+ self._method_cache = {}
+
+ visitor = self._method_cache.get(node.__class__.__name__, None)
+ if visitor is None:
+ method = 'visit_' + node.__class__.__name__
+ visitor = getattr(self, method, self.generic_visit)
+ self._method_cache[node.__class__.__name__] = visitor
+
return visitor(node)
def generic_visit(self, node):
""" Called if no explicit visitor function exists for a
node. Implements preorder visiting of the node.
"""
- for c_name, c in node.children():
+ for c in node:
self.visit(c)
-
class ArrayDecl(Node):
__slots__ = ('type', 'dim', 'dim_quals', 'coord', '__weakref__')
def __init__(self, type, dim, dim_quals, coord=None):
@@ -141,6 +178,12 @@
if self.dim is not None: nodelist.append(("dim", self.dim))
return tuple(nodelist)
+ def __iter__(self):
+ if self.type is not None:
+ yield self.type
+ if self.dim is not None:
+ yield self.dim
+
attr_names = ('dim_quals', )
class ArrayRef(Node):
@@ -156,6 +199,12 @@
if self.subscript is not None: nodelist.append(("subscript",
self.subscript))
return tuple(nodelist)
+ def __iter__(self):
+ if self.name is not None:
+ yield self.name
+ if self.subscript is not None:
+ yield self.subscript
+
attr_names = ()
class Assignment(Node):
@@ -172,6 +221,12 @@
if self.rvalue is not None: nodelist.append(("rvalue", self.rvalue))
return tuple(nodelist)
+ def __iter__(self):
+ if self.lvalue is not None:
+ yield self.lvalue
+ if self.rvalue is not None:
+ yield self.rvalue
+
attr_names = ('op', )
class BinaryOp(Node):
@@ -188,6 +243,12 @@
if self.right is not None: nodelist.append(("right", self.right))
return tuple(nodelist)
+ def __iter__(self):
+ if self.left is not None:
+ yield self.left
+ if self.right is not None:
+ yield self.right
+
attr_names = ('op', )
class Break(Node):
@@ -198,6 +259,10 @@
def children(self):
return ()
+ def __iter__(self):
+ return
+ yield
+
attr_names = ()
class Case(Node):
@@ -214,6 +279,12 @@
nodelist.append(("stmts[%d]" % i, child))
return tuple(nodelist)
+ def __iter__(self):
+ if self.expr is not None:
+ yield self.expr
+ for child in (self.stmts or []):
+ yield child
+
attr_names = ()
class Cast(Node):
@@ -229,6 +300,12 @@
if self.expr is not None: nodelist.append(("expr", self.expr))
return tuple(nodelist)
+ def __iter__(self):
+ if self.to_type is not None:
+ yield self.to_type
+ if self.expr is not None:
+ yield self.expr
+
attr_names = ()
class Compound(Node):
@@ -243,6 +320,10 @@
nodelist.append(("block_items[%d]" % i, child))
return tuple(nodelist)
+ def __iter__(self):
+ for child in (self.block_items or []):
+ yield child
+
attr_names = ()
class CompoundLiteral(Node):
@@ -258,6 +339,12 @@
if self.init is not None: nodelist.append(("init", self.init))
return tuple(nodelist)
+ def __iter__(self):
+ if self.type is not None:
+ yield self.type
+ if self.init is not None:
+ yield self.init
+
attr_names = ()
class Constant(Node):
@@ -271,6 +358,10 @@
nodelist = []
return tuple(nodelist)
+ def __iter__(self):
+ return
+ yield
+
attr_names = ('type', 'value', )
class Continue(Node):
@@ -281,6 +372,10 @@
def children(self):
return ()
+ def __iter__(self):
+ return
+ yield
+
attr_names = ()
class Decl(Node):
@@ -302,6 +397,14 @@
if self.bitsize is not None: nodelist.append(("bitsize", self.bitsize))
return tuple(nodelist)
+ def __iter__(self):
+ if self.type is not None:
+ yield self.type
+ if self.init is not None:
+ yield self.init
+ if self.bitsize is not None:
+ yield self.bitsize
+
attr_names = ('name', 'quals', 'storage', 'funcspec', )
class DeclList(Node):
@@ -316,6 +419,10 @@
nodelist.append(("decls[%d]" % i, child))
return tuple(nodelist)
+ def __iter__(self):
+ for child in (self.decls or []):
+ yield child
+
attr_names = ()
class Default(Node):
@@ -330,6 +437,10 @@
nodelist.append(("stmts[%d]" % i, child))
return tuple(nodelist)
+ def __iter__(self):
+ for child in (self.stmts or []):
+ yield child
+
attr_names = ()
class DoWhile(Node):
@@ -345,6 +456,12 @@
if self.stmt is not None: nodelist.append(("stmt", self.stmt))
return tuple(nodelist)
+ def __iter__(self):
+ if self.cond is not None:
+ yield self.cond
+ if self.stmt is not None:
+ yield self.stmt
+
attr_names = ()
class EllipsisParam(Node):
@@ -355,6 +472,10 @@
def children(self):
return ()
+ def __iter__(self):
+ return
+ yield
+
attr_names = ()
class EmptyStatement(Node):
@@ -365,6 +486,10 @@
def children(self):
return ()
+ def __iter__(self):
+ return
+ yield
+
attr_names = ()
class Enum(Node):
@@ -379,6 +504,10 @@
if self.values is not None: nodelist.append(("values", self.values))
return tuple(nodelist)
+ def __iter__(self):
+ if self.values is not None:
+ yield self.values
+
attr_names = ('name', )
class Enumerator(Node):
@@ -393,6 +522,10 @@
if self.value is not None: nodelist.append(("value", self.value))
return tuple(nodelist)
+ def __iter__(self):
+ if self.value is not None:
+ yield self.value
+
attr_names = ('name', )
class EnumeratorList(Node):
@@ -407,6 +540,10 @@
nodelist.append(("enumerators[%d]" % i, child))
return tuple(nodelist)
+ def __iter__(self):
+ for child in (self.enumerators or []):
+ yield child
+
attr_names = ()
class ExprList(Node):
@@ -421,6 +558,10 @@
nodelist.append(("exprs[%d]" % i, child))
return tuple(nodelist)
+ def __iter__(self):
+ for child in (self.exprs or []):
+ yield child
+
attr_names = ()
class FileAST(Node):
@@ -435,6 +576,10 @@
nodelist.append(("ext[%d]" % i, child))
return tuple(nodelist)
+ def __iter__(self):
+ for child in (self.ext or []):
+ yield child
+
attr_names = ()
class For(Node):
@@ -454,6 +599,16 @@
if self.stmt is not None: nodelist.append(("stmt", self.stmt))
return tuple(nodelist)
+ def __iter__(self):
+ if self.init is not None:
+ yield self.init
+ if self.cond is not None:
+ yield self.cond
+ if self.next is not None:
+ yield self.next
+ if self.stmt is not None:
+ yield self.stmt
+
attr_names = ()
class FuncCall(Node):
@@ -469,6 +624,12 @@
if self.args is not None: nodelist.append(("args", self.args))
return tuple(nodelist)
+ def __iter__(self):
+ if self.name is not None:
+ yield self.name
+ if self.args is not None:
+ yield self.args
+
attr_names = ()
class FuncDecl(Node):
@@ -484,6 +645,12 @@
if self.type is not None: nodelist.append(("type", self.type))
return tuple(nodelist)
+ def __iter__(self):
+ if self.args is not None:
+ yield self.args
+ if self.type is not None:
+ yield self.type
+
attr_names = ()
class FuncDef(Node):
@@ -502,6 +669,14 @@
nodelist.append(("param_decls[%d]" % i, child))
return tuple(nodelist)
+ def __iter__(self):
+ if self.decl is not None:
+ yield self.decl
+ if self.body is not None:
+ yield self.body
+ for child in (self.param_decls or []):
+ yield child
+
attr_names = ()
class Goto(Node):
@@ -514,6 +689,10 @@
nodelist = []
return tuple(nodelist)
+ def __iter__(self):
+ return
+ yield
+
attr_names = ('name', )
class ID(Node):
@@ -526,6 +705,10 @@
nodelist = []
return tuple(nodelist)
+ def __iter__(self):
+ return
+ yield
+
attr_names = ('name', )
class IdentifierType(Node):
@@ -538,6 +721,10 @@
nodelist = []
return tuple(nodelist)
+ def __iter__(self):
+ return
+ yield
+
attr_names = ('names', )
class If(Node):
@@ -555,6 +742,14 @@
if self.iffalse is not None: nodelist.append(("iffalse", self.iffalse))
return tuple(nodelist)
+ def __iter__(self):
+ if self.cond is not None:
+ yield self.cond
+ if self.iftrue is not None:
+ yield self.iftrue
+ if self.iffalse is not None:
+ yield self.iffalse
+
attr_names = ()
class InitList(Node):
@@ -569,6 +764,10 @@
nodelist.append(("exprs[%d]" % i, child))
return tuple(nodelist)
+ def __iter__(self):
+ for child in (self.exprs or []):
+ yield child
+
attr_names = ()
class Label(Node):
@@ -583,6 +782,10 @@
if self.stmt is not None: nodelist.append(("stmt", self.stmt))
return tuple(nodelist)
+ def __iter__(self):
+ if self.stmt is not None:
+ yield self.stmt
+
attr_names = ('name', )
class NamedInitializer(Node):
@@ -599,6 +802,12 @@
nodelist.append(("name[%d]" % i, child))
return tuple(nodelist)
+ def __iter__(self):
+ if self.expr is not None:
+ yield self.expr
+ for child in (self.name or []):
+ yield child
+
attr_names = ()
class ParamList(Node):
@@ -613,6 +822,10 @@
nodelist.append(("params[%d]" % i, child))
return tuple(nodelist)
+ def __iter__(self):
+ for child in (self.params or []):
+ yield child
+
attr_names = ()
class PtrDecl(Node):
@@ -627,6 +840,10 @@
if self.type is not None: nodelist.append(("type", self.type))
return tuple(nodelist)
+ def __iter__(self):
+ if self.type is not None:
+ yield self.type
+
attr_names = ('quals', )
class Return(Node):
@@ -640,6 +857,10 @@
if self.expr is not None: nodelist.append(("expr", self.expr))
return tuple(nodelist)
+ def __iter__(self):
+ if self.expr is not None:
+ yield self.expr
+
attr_names = ()
class Struct(Node):
@@ -655,6 +876,10 @@
nodelist.append(("decls[%d]" % i, child))
return tuple(nodelist)
+ def __iter__(self):
+ for child in (self.decls or []):
+ yield child
+
attr_names = ('name', )
class StructRef(Node):
@@ -671,6 +896,12 @@
if self.field is not None: nodelist.append(("field", self.field))
return tuple(nodelist)
+ def __iter__(self):
+ if self.name is not None:
+ yield self.name
+ if self.field is not None:
+ yield self.field
+
attr_names = ('type', )
class Switch(Node):
@@ -686,6 +917,12 @@
if self.stmt is not None: nodelist.append(("stmt", self.stmt))
return tuple(nodelist)
+ def __iter__(self):
+ if self.cond is not None:
+ yield self.cond
+ if self.stmt is not None:
+ yield self.stmt
+
attr_names = ()
class TernaryOp(Node):
@@ -703,6 +940,14 @@
if self.iffalse is not None: nodelist.append(("iffalse", self.iffalse))
return tuple(nodelist)
+ def __iter__(self):
+ if self.cond is not None:
+ yield self.cond
+ if self.iftrue is not None:
+ yield self.iftrue
+ if self.iffalse is not None:
+ yield self.iffalse
+
attr_names = ()
class TypeDecl(Node):
@@ -718,6 +963,10 @@
if self.type is not None: nodelist.append(("type", self.type))
return tuple(nodelist)
+ def __iter__(self):
+ if self.type is not None:
+ yield self.type
+
attr_names = ('declname', 'quals', )
class Typedef(Node):
@@ -734,6 +983,10 @@
if self.type is not None: nodelist.append(("type", self.type))
return tuple(nodelist)
+ def __iter__(self):
+ if self.type is not None:
+ yield self.type
+
attr_names = ('name', 'quals', 'storage', )
class Typename(Node):
@@ -749,6 +1002,10 @@
if self.type is not None: nodelist.append(("type", self.type))
return tuple(nodelist)
+ def __iter__(self):
+ if self.type is not None:
+ yield self.type
+
attr_names = ('name', 'quals', )
class UnaryOp(Node):
@@ -763,6 +1020,10 @@
if self.expr is not None: nodelist.append(("expr", self.expr))
return tuple(nodelist)
+ def __iter__(self):
+ if self.expr is not None:
+ yield self.expr
+
attr_names = ('op', )
class Union(Node):
@@ -778,6 +1039,10 @@
nodelist.append(("decls[%d]" % i, child))
return tuple(nodelist)
+ def __iter__(self):
+ for child in (self.decls or []):
+ yield child
+
attr_names = ('name', )
class While(Node):
@@ -793,5 +1058,27 @@
if self.stmt is not None: nodelist.append(("stmt", self.stmt))
return tuple(nodelist)
+ def __iter__(self):
+ if self.cond is not None:
+ yield self.cond
+ if self.stmt is not None:
+ yield self.stmt
+
attr_names = ()
+class Pragma(Node):
+ __slots__ = ('string', 'coord', '__weakref__')
+ def __init__(self, string, coord=None):
+ self.string = string
+ self.coord = coord
+
+ def children(self):
+ nodelist = []
+ return tuple(nodelist)
+
+ def __iter__(self):
+ return
+ yield
+
+ attr_names = ('string', )
+
diff --git a/lib_pypy/cffi/_pycparser/c_generator.py
b/lib_pypy/cffi/_pycparser/c_generator.py
--- a/lib_pypy/cffi/_pycparser/c_generator.py
+++ b/lib_pypy/cffi/_pycparser/c_generator.py
@@ -3,7 +3,7 @@
#
# C code generator from pycparser AST nodes.
#
-# Copyright (C) 2008-2015, Eli Bendersky
+# Eli Bendersky [https://eli.thegreenplace.net/]
# License: BSD
#------------------------------------------------------------------------------
from . import c_ast
@@ -40,6 +40,12 @@
def visit_ID(self, n):
return n.name
+ def visit_Pragma(self, n):
+ ret = '#pragma'
+ if n.string:
+ ret += ' ' + n.string
+ return ret
+
def visit_ArrayRef(self, n):
arrref = self._parenthesize_unless_simple(n.name)
return arrref + '[' + self.visit(n.subscript) + ']'
@@ -113,7 +119,7 @@
return s
def visit_Cast(self, n):
- s = '(' + self._generate_type(n.to_type) + ')'
+ s = '(' + self._generate_type(n.to_type, emit_declname=False) + ')'
return s + ' ' + self._parenthesize_unless_simple(n.expr)
def visit_ExprList(self, n):
@@ -129,18 +135,20 @@
return ', '.join(visited_subexprs)
def visit_Enum(self, n):
- s = 'enum'
- if n.name: s += ' ' + n.name
- if n.values:
- s += ' {'
- for i, enumerator in enumerate(n.values.enumerators):
- s += enumerator.name
- if enumerator.value:
- s += ' = ' + self.visit(enumerator.value)
- if i != len(n.values.enumerators) - 1:
- s += ', '
- s += '}'
- return s
+ return self._generate_struct_union_enum(n, name='enum')
+
+ def visit_Enumerator(self, n):
+ if not n.value:
+ return '{indent}{name},\n'.format(
+ indent=self._make_indent(),
+ name=n.name,
+ )
+ else:
+ return '{indent}{name} = {value},\n'.format(
+ indent=self._make_indent(),
+ name=n.name,
+ value=self.visit(n.value),
+ )
def visit_FuncDef(self, n):
decl = self.visit(n.decl)
@@ -157,6 +165,8 @@
for ext in n.ext:
if isinstance(ext, c_ast.FuncDef):
s += self.visit(ext)
+ elif isinstance(ext, c_ast.Pragma):
+ s += self.visit(ext) + '\n'
else:
s += self.visit(ext) + ';\n'
return s
@@ -170,6 +180,10 @@
s += self._make_indent() + '}\n'
return s
+ def visit_CompoundLiteral(self, n):
+ return '(' + self.visit(n.type) + '){' + self.visit(n.init) + '}'
+
+
def visit_EmptyStatement(self, n):
return ';'
@@ -188,9 +202,9 @@
return 'continue;'
def visit_TernaryOp(self, n):
- s = self._visit_expr(n.cond) + ' ? '
- s += self._visit_expr(n.iftrue) + ' : '
- s += self._visit_expr(n.iffalse)
+ s = '(' + self._visit_expr(n.cond) + ') ? '
+ s += '(' + self._visit_expr(n.iftrue) + ') : '
+ s += '(' + self._visit_expr(n.iffalse) + ')'
return s
def visit_If(self, n):
@@ -256,43 +270,67 @@
return '...'
def visit_Struct(self, n):
- return self._generate_struct_union(n, 'struct')
+ return self._generate_struct_union_enum(n, 'struct')
def visit_Typename(self, n):
return self._generate_type(n.type)
def visit_Union(self, n):
- return self._generate_struct_union(n, 'union')
+ return self._generate_struct_union_enum(n, 'union')
def visit_NamedInitializer(self, n):
s = ''
for name in n.name:
if isinstance(name, c_ast.ID):
s += '.' + name.name
- elif isinstance(name, c_ast.Constant):
- s += '[' + name.value + ']'
- s += ' = ' + self.visit(n.expr)
+ else:
+ s += '[' + self.visit(name) + ']'
+ s += ' = ' + self._visit_expr(n.expr)
return s
def visit_FuncDecl(self, n):
return self._generate_type(n)
- def _generate_struct_union(self, n, name):
- """ Generates code for structs and unions. name should be either
- 'struct' or union.
+ def visit_ArrayDecl(self, n):
+ return self._generate_type(n, emit_declname=False)
+
+ def visit_TypeDecl(self, n):
+ return self._generate_type(n, emit_declname=False)
+
+ def visit_PtrDecl(self, n):
+ return self._generate_type(n, emit_declname=False)
+
+ def _generate_struct_union_enum(self, n, name):
+ """ Generates code for structs, unions, and enums. name should be
+ 'struct', 'union', or 'enum'.
"""
+ if name in ('struct', 'union'):
+ members = n.decls
+ body_function = self._generate_struct_union_body
+ else:
+ assert name == 'enum'
+ members = None if n.values is None else n.values.enumerators
+ body_function = self._generate_enum_body
s = name + ' ' + (n.name or '')
- if n.decls:
+ if members is not None:
+ # None means no members
+ # Empty sequence means an empty list of members
s += '\n'
s += self._make_indent()
self.indent_level += 2
s += '{\n'
- for decl in n.decls:
- s += self._generate_stmt(decl)
+ s += body_function(members)
self.indent_level -= 2
s += self._make_indent() + '}'
return s
+ def _generate_struct_union_body(self, members):
+ return ''.join(self._generate_stmt(decl) for decl in members)
+
+ def _generate_enum_body(self, members):
+ # `[:-2] + '\n'` removes the final `,` from the enumerator list
+ return ''.join(self.visit(value) for value in members)[:-2] + '\n'
+
def _generate_stmt(self, n, add_indent=False):
""" Generation from a statement node. This method exists as a wrapper
for individual visit_* methods to handle different treatment of
@@ -330,7 +368,7 @@
s += self._generate_type(n.type)
return s
- def _generate_type(self, n, modifiers=[]):
+ def _generate_type(self, n, modifiers=[], emit_declname = True):
""" Recursive generation from a type node. n is the type node.
modifiers collects the PtrDecl, ArrayDecl and FuncDecl modifiers
encountered on the way down to a TypeDecl, to allow proper
@@ -344,23 +382,29 @@
if n.quals: s += ' '.join(n.quals) + ' '
s += self.visit(n.type)
- nstr = n.declname if n.declname else ''
+ nstr = n.declname if n.declname and emit_declname else ''
# Resolve modifiers.
# Wrap in parens to distinguish pointer to array and pointer to
# function syntax.
#
for i, modifier in enumerate(modifiers):
if isinstance(modifier, c_ast.ArrayDecl):
- if (i != 0 and isinstance(modifiers[i - 1],
c_ast.PtrDecl)):
- nstr = '(' + nstr + ')'
- nstr += '[' + self.visit(modifier.dim) + ']'
+ if (i != 0 and
+ isinstance(modifiers[i - 1], c_ast.PtrDecl)):
+ nstr = '(' + nstr + ')'
+ nstr += '['
+ if modifier.dim_quals:
+ nstr += ' '.join(modifier.dim_quals) + ' '
+ nstr += self.visit(modifier.dim) + ']'
elif isinstance(modifier, c_ast.FuncDecl):
- if (i != 0 and isinstance(modifiers[i - 1],
c_ast.PtrDecl)):
- nstr = '(' + nstr + ')'
+ if (i != 0 and
+ isinstance(modifiers[i - 1], c_ast.PtrDecl)):
+ nstr = '(' + nstr + ')'
nstr += '(' + self.visit(modifier.args) + ')'
elif isinstance(modifier, c_ast.PtrDecl):
if modifier.quals:
- nstr = '* %s %s' % (' '.join(modifier.quals), nstr)
+ nstr = '* %s%s' % (' '.join(modifier.quals),
+ ' ' + nstr if nstr else '')
else:
nstr = '*' + nstr
if nstr: s += ' ' + nstr
@@ -368,11 +412,12 @@
elif typ == c_ast.Decl:
return self._generate_decl(n.type)
elif typ == c_ast.Typename:
- return self._generate_type(n.type)
+ return self._generate_type(n.type, emit_declname = emit_declname)
elif typ == c_ast.IdentifierType:
return ' '.join(n.names) + ' '
elif typ in (c_ast.ArrayDecl, c_ast.PtrDecl, c_ast.FuncDecl):
- return self._generate_type(n.type, modifiers + [n])
+ return self._generate_type(n.type, modifiers + [n],
+ emit_declname = emit_declname)
else:
return self.visit(n)
@@ -395,5 +440,5 @@
""" Returns True for nodes that are "simple" - i.e. nodes that always
have higher precedence than operators.
"""
- return isinstance(n,( c_ast.Constant, c_ast.ID, c_ast.ArrayRef,
- c_ast.StructRef, c_ast.FuncCall))
+ return isinstance(n, (c_ast.Constant, c_ast.ID, c_ast.ArrayRef,
+ c_ast.StructRef, c_ast.FuncCall))
diff --git a/lib_pypy/cffi/_pycparser/c_lexer.py
b/lib_pypy/cffi/_pycparser/c_lexer.py
--- a/lib_pypy/cffi/_pycparser/c_lexer.py
+++ b/lib_pypy/cffi/_pycparser/c_lexer.py
@@ -3,7 +3,7 @@
#
# CLexer class: lexer for the C language
#
-# Copyright (C) 2008-2015, Eli Bendersky
+# Eli Bendersky [https://eli.thegreenplace.net/]
# License: BSD
#------------------------------------------------------------------------------
import re
@@ -19,7 +19,7 @@
tokens.
The public attribute filename can be set to an initial
- filaneme, but the lexer will update it upon #line
+ filename, but the lexer will update it upon #line
directives.
"""
def __init__(self, error_func, on_lbrace_func, on_rbrace_func,
@@ -52,8 +52,8 @@
# Allow either "# line" or "# <num>" to support GCC's
# cpp output
#
- self.line_pattern = re.compile('([ \t]*line\W)|([ \t]*\d+)')
- self.pragma_pattern = re.compile('[ \t]*pragma\W')
+ self.line_pattern = re.compile(r'([ \t]*line\W)|([ \t]*\d+)')
+ self.pragma_pattern = re.compile(r'[ \t]*pragma\W')
def build(self, **kwargs):
""" Builds the lexer from the specification. Must be
@@ -102,11 +102,11 @@
keywords = (
'_BOOL', '_COMPLEX', 'AUTO', 'BREAK', 'CASE', 'CHAR', 'CONST',
'CONTINUE', 'DEFAULT', 'DO', 'DOUBLE', 'ELSE', 'ENUM', 'EXTERN',
- 'FLOAT', 'FOR', 'GOTO', 'IF', 'INLINE', 'INT', 'LONG',
+ 'FLOAT', 'FOR', 'GOTO', 'IF', 'INLINE', 'INT', 'LONG',
'REGISTER', 'OFFSETOF',
'RESTRICT', 'RETURN', 'SHORT', 'SIGNED', 'SIZEOF', 'STATIC', 'STRUCT',
'SWITCH', 'TYPEDEF', 'UNION', 'UNSIGNED', 'VOID',
- 'VOLATILE', 'WHILE',
+ 'VOLATILE', 'WHILE', '__INT128',
)
keyword_map = {}
@@ -171,7 +171,9 @@
'ELLIPSIS',
# pre-processor
- 'PPHASH', # '#'
+ 'PPHASH', # '#'
+ 'PPPRAGMA', # 'pragma'
+ 'PPPRAGMASTR',
)
##
@@ -203,12 +205,37 @@
# parse all correct code, even if it means to sometimes parse incorrect
# code.
#
- simple_escape = r"""([a-zA-Z._~!=&\^\-\\?'"])"""
- decimal_escape = r"""(\d+)"""
- hex_escape = r"""(x[0-9a-fA-F]+)"""
- bad_escape = r"""([\\][^a-zA-Z._~^!=&\^\-\\?'"x0-7])"""
+ # The original regexes were taken verbatim from the C syntax definition,
+ # and were later modified to avoid worst-case exponential running time.
+ #
+ # simple_escape = r"""([a-zA-Z._~!=&\^\-\\?'"])"""
+ # decimal_escape = r"""(\d+)"""
+ # hex_escape = r"""(x[0-9a-fA-F]+)"""
+ # bad_escape = r"""([\\][^a-zA-Z._~^!=&\^\-\\?'"x0-7])"""
+ #
+ # The following modifications were made to avoid the ambiguity that
allowed backtracking:
+ # (https://github.com/eliben/pycparser/issues/61)
+ #
+ # - \x was removed from simple_escape, unless it was not followed by a hex
digit, to avoid ambiguity with hex_escape.
+ # - hex_escape allows one or more hex characters, but requires that the
next character(if any) is not hex
+ # - decimal_escape allows one or more decimal characters, but requires
that the next character(if any) is not a decimal
+ # - bad_escape does not allow any decimals (8-9), to avoid conflicting
with the permissive decimal_escape.
+ #
+ # Without this change, python's `re` module would recursively try parsing
each ambiguous escape sequence in multiple ways.
+ # e.g. `\123` could be parsed as `\1`+`23`, `\12`+`3`, and `\123`.
+
+ simple_escape = r"""([a-wyzA-Z._~!=&\^\-\\?'"]|x(?![0-9a-fA-F]))"""
+ decimal_escape = r"""(\d+)(?!\d)"""
+ hex_escape = r"""(x[0-9a-fA-F]+)(?![0-9a-fA-F])"""
+ bad_escape = r"""([\\][^a-zA-Z._~^!=&\^\-\\?'"x0-9])"""
escape_sequence =
r"""(\\("""+simple_escape+'|'+decimal_escape+'|'+hex_escape+'))'
+
+ # This complicated regex with lookahead might be slow for strings, so
because all of the valid escapes (including \x) allowed
+ # 0 or more non-escaped characters after the first character,
simple_escape+decimal_escape+hex_escape got simplified to
+
+ escape_sequence_start_in_string = r"""(\\[0-9a-zA-Z._~!=&\^\-\\?'"])"""
+
cconst_char = r"""([^'\\\n]|"""+escape_sequence+')'
char_const = "'"+cconst_char+"'"
wchar_const = 'L'+char_const
@@ -216,7 +243,7 @@
bad_char_const =
r"""('"""+cconst_char+"""[^'\n]+')|('')|('"""+bad_escape+r"""[^'\n]*')"""
# string literals (K&R2: A.2.6)
- string_char = r"""([^"\\\n]|"""+escape_sequence+')'
+ string_char = r"""([^"\\\n]|"""+escape_sequence_start_in_string+')'
string_literal = '"'+string_char+'*"'
wstring_literal = 'L'+string_literal
bad_string_literal = '"'+string_char+'*'+bad_escape+string_char+'*"'
@@ -274,7 +301,6 @@
def t_ppline_NEWLINE(self, t):
r'\n'
-
if self.pp_line is None:
self._error('line number missing in #line', t)
else:
@@ -304,15 +330,14 @@
def t_pppragma_PPPRAGMA(self, t):
r'pragma'
- pass
+ return t
- t_pppragma_ignore = ' \t<>.-{}();=+-*/$%@&^~!?:,0123456789'
+ t_pppragma_ignore = ' \t'
- @TOKEN(string_literal)
- def t_pppragma_STR(self, t): pass
-
- @TOKEN(identifier)
- def t_pppragma_ID(self, t): pass
+ def t_pppragma_STR(self, t):
+ '.+'
+ t.type = 'PPPRAGMASTR'
+ return t
def t_pppragma_error(self, t):
self._error('invalid #pragma directive', t)
@@ -482,4 +507,3 @@
def t_error(self, t):
msg = 'Illegal character %s' % repr(t.value[0])
self._error(msg, t)
-
diff --git a/lib_pypy/cffi/_pycparser/c_parser.py
b/lib_pypy/cffi/_pycparser/c_parser.py
--- a/lib_pypy/cffi/_pycparser/c_parser.py
+++ b/lib_pypy/cffi/_pycparser/c_parser.py
@@ -3,7 +3,7 @@
#
# CParser class: Parser and AST builder for the C language
#
-# Copyright (C) 2008-2015, Eli Bendersky
+# Eli Bendersky [https://eli.thegreenplace.net/]
# License: BSD
#------------------------------------------------------------------------------
import re
@@ -12,14 +12,16 @@
from . import c_ast
from .c_lexer import CLexer
-from .plyparser import PLYParser, Coord, ParseError
+from .plyparser import PLYParser, Coord, ParseError, parameterized, template
from .ast_transforms import fix_switch_cases
+@template
class CParser(PLYParser):
def __init__(
self,
lex_optimize=True,
+ lexer=CLexer,
lextab='cffi._pycparser.lextab',
yacc_optimize=True,
yacctab='cffi._pycparser.yacctab',
@@ -42,6 +44,10 @@
to save the re-generation of the lexer table on
each run.
+ lexer:
+ Set this parameter to define the lexer to use if
+ you're not using the default CLexer.
+
lextab:
Points to the lex table that's used for optimized
mode. Only if you're modifying the lexer and want
@@ -70,7 +76,7 @@
Set this parameter to control the location of generated
lextab and yacctab files.
"""
- self.clex = CLexer(
+ self.clex = lexer(
error_func=self._lex_error_func,
on_lbrace_func=self._lex_on_lbrace_func,
on_rbrace_func=self._lex_on_rbrace_func,
@@ -86,14 +92,14 @@
'abstract_declarator',
'assignment_expression',
'declaration_list',
- 'declaration_specifiers',
+ 'declaration_specifiers_no_type',
'designation',
'expression',
'identifier_list',
'init_declarator_list',
+ 'id_init_declarator_list',
'initializer_list',
'parameter_type_list',
- 'specifier_qualifier_list',
'block_item_list',
'type_qualifier_list',
'struct_declarator_list'
@@ -342,7 +348,7 @@
coord=typename[0].coord)
return decl
- def _add_declaration_specifier(self, declspec, newspec, kind):
+ def _add_declaration_specifier(self, declspec, newspec, kind,
append=False):
""" Declaration specifiers are represented by a dictionary
with the entries:
* qual: a list of type qualifiers
@@ -352,11 +358,18 @@
This method is given a declaration specifier, and a
new specifier of a given kind.
+ If `append` is True, the new specifier is added to the end of
+ the specifiers list, otherwise it's added at the beginning.
Returns the declaration specifier, with the new
specifier incorporated.
"""
spec = declspec or dict(qual=[], storage=[], type=[], function=[])
- spec[kind].insert(0, newspec)
+
+ if append:
+ spec[kind].append(newspec)
+ else:
+ spec[kind].insert(0, newspec)
+
return spec
def _build_declarations(self, spec, decls, typedef_namespace=False):
@@ -516,8 +529,7 @@
def p_translation_unit_2(self, p):
""" translation_unit : translation_unit external_declaration
"""
- if p[2] is not None:
- p[1].extend(p[2])
+ p[1].extend(p[2])
p[0] = p[1]
# Declarations always come as lists (because they can be
@@ -537,32 +549,42 @@
def p_external_declaration_3(self, p):
""" external_declaration : pp_directive
+ | pppragma_directive
"""
- p[0] = p[1]
+ p[0] = [p[1]]
def p_external_declaration_4(self, p):
""" external_declaration : SEMI
"""
- p[0] = None
+ p[0] = []
def p_pp_directive(self, p):
""" pp_directive : PPHASH
"""
self._parse_error('Directives not supported yet',
- self._coord(p.lineno(1)))
+ self._token_coord(p, 1))
+
+ def p_pppragma_directive(self, p):
+ """ pppragma_directive : PPPRAGMA
+ | PPPRAGMA PPPRAGMASTR
+ """
+ if len(p) == 3:
+ p[0] = c_ast.Pragma(p[2], self._token_coord(p, 2))
+ else:
+ p[0] = c_ast.Pragma("", self._token_coord(p, 1))
# In function definitions, the declarator can be followed by
# a declaration list, for old "K&R style" function definitios.
#
def p_function_definition_1(self, p):
- """ function_definition : declarator declaration_list_opt
compound_statement
+ """ function_definition : id_declarator declaration_list_opt
compound_statement
"""
# no declaration specifiers - 'int' becomes the default type
spec = dict(
qual=[],
storage=[],
type=[c_ast.IdentifierType(['int'],
- coord=self._coord(p.lineno(1)))],
+ coord=self._token_coord(p, 1))],
function=[])
p[0] = self._build_function_definition(
@@ -572,7 +594,7 @@
body=p[3])
def p_function_definition_2(self, p):
- """ function_definition : declaration_specifiers declarator
declaration_list_opt compound_statement
+ """ function_definition : declaration_specifiers id_declarator
declaration_list_opt compound_statement
"""
spec = p[1]
@@ -589,9 +611,63 @@
| selection_statement
| iteration_statement
| jump_statement
+ | pppragma_directive
"""
p[0] = p[1]
+ # A pragma is generally considered a decorator rather than an actual
statement.
+ # Still, for the purposes of analyzing an abstract syntax tree of C code,
+ # pragma's should not be ignored and were previously treated as a
statement.
+ # This presents a problem for constructs that take a statement such as
labeled_statements,
+ # selection_statements, and iteration_statements, causing a misleading
structure
+ # in the AST. For example, consider the following C code.
+ #
+ # for (int i = 0; i < 3; i++)
+ # #pragma omp critical
+ # sum += 1;
+ #
+ # This code will compile and execute "sum += 1;" as the body of the for
loop.
+ # Previous implementations of PyCParser would render the AST for this
+ # block of code as follows:
+ #
+ # For:
+ # DeclList:
+ # Decl: i, [], [], []
+ # TypeDecl: i, []
+ # IdentifierType: ['int']
+ # Constant: int, 0
+ # BinaryOp: <
+ # ID: i
+ # Constant: int, 3
+ # UnaryOp: p++
+ # ID: i
+ # Pragma: omp critical
+ # Assignment: +=
+ # ID: sum
+ # Constant: int, 1
+ #
+ # This AST misleadingly takes the Pragma as the body of the loop and the
+ # assignment then becomes a sibling of the loop.
+ #
+ # To solve edge cases like these, the pragmacomp_or_statement rule groups
+ # a pragma and its following statement (which would otherwise be orphaned)
+ # using a compound block, effectively turning the above code into:
+ #
+ # for (int i = 0; i < 3; i++) {
+ # #pragma omp critical
+ # sum += 1;
+ # }
+ def p_pragmacomp_or_statement(self, p):
+ """ pragmacomp_or_statement : pppragma_directive statement
+ | statement
+ """
+ if isinstance(p[1], c_ast.Pragma) and len(p) == 3:
+ p[0] = c_ast.Compound(
+ block_items=[p[1], p[2]],
+ coord=self._token_coord(p, 1))
+ else:
+ p[0] = p[1]
+
# In C, declarations can come several in a line:
# int x, *px, romulo = 5;
#
@@ -603,6 +679,7 @@
#
def p_decl_body(self, p):
""" decl_body : declaration_specifiers init_declarator_list_opt
+ | declaration_specifiers_no_type
id_init_declarator_list_opt
"""
spec = p[1]
@@ -675,26 +752,58 @@
"""
p[0] = p[1] if len(p) == 2 else p[1] + p[2]
- def p_declaration_specifiers_1(self, p):
- """ declaration_specifiers : type_qualifier declaration_specifiers_opt
+ # To know when declaration-specifiers end and declarators begin,
+ # we require declaration-specifiers to have at least one
+ # type-specifier, and disallow typedef-names after we've seen any
+ # type-specifier. These are both required by the spec.
+ #
+ def p_declaration_specifiers_no_type_1(self, p):
+ """ declaration_specifiers_no_type : type_qualifier
declaration_specifiers_no_type_opt
"""
p[0] = self._add_declaration_specifier(p[2], p[1], 'qual')
- def p_declaration_specifiers_2(self, p):
- """ declaration_specifiers : type_specifier declaration_specifiers_opt
- """
- p[0] = self._add_declaration_specifier(p[2], p[1], 'type')
-
- def p_declaration_specifiers_3(self, p):
- """ declaration_specifiers : storage_class_specifier
declaration_specifiers_opt
+ def p_declaration_specifiers_no_type_2(self, p):
+ """ declaration_specifiers_no_type : storage_class_specifier
declaration_specifiers_no_type_opt
"""
p[0] = self._add_declaration_specifier(p[2], p[1], 'storage')
- def p_declaration_specifiers_4(self, p):
- """ declaration_specifiers : function_specifier
declaration_specifiers_opt
+ def p_declaration_specifiers_no_type_3(self, p):
+ """ declaration_specifiers_no_type : function_specifier
declaration_specifiers_no_type_opt
"""
p[0] = self._add_declaration_specifier(p[2], p[1], 'function')
+
+ def p_declaration_specifiers_1(self, p):
+ """ declaration_specifiers : declaration_specifiers type_qualifier
+ """
+ p[0] = self._add_declaration_specifier(p[1], p[2], 'qual', append=True)
+
+ def p_declaration_specifiers_2(self, p):
+ """ declaration_specifiers : declaration_specifiers
storage_class_specifier
+ """
+ p[0] = self._add_declaration_specifier(p[1], p[2], 'storage',
append=True)
+
+ def p_declaration_specifiers_3(self, p):
+ """ declaration_specifiers : declaration_specifiers function_specifier
+ """
+ p[0] = self._add_declaration_specifier(p[1], p[2], 'function',
append=True)
+
+ def p_declaration_specifiers_4(self, p):
+ """ declaration_specifiers : declaration_specifiers
type_specifier_no_typeid
+ """
+ p[0] = self._add_declaration_specifier(p[1], p[2], 'type', append=True)
+
+ def p_declaration_specifiers_5(self, p):
+ """ declaration_specifiers : type_specifier
+ """
+ p[0] = self._add_declaration_specifier(None, p[1], 'type')
+
+ def p_declaration_specifiers_6(self, p):
+ """ declaration_specifiers : declaration_specifiers_no_type
type_specifier
+ """
+ p[0] = self._add_declaration_specifier(p[1], p[2], 'type', append=True)
+
+
def p_storage_class_specifier(self, p):
""" storage_class_specifier : AUTO
| REGISTER
@@ -709,25 +818,27 @@
"""
p[0] = p[1]
- def p_type_specifier_1(self, p):
- """ type_specifier : VOID
- | _BOOL
- | CHAR
- | SHORT
- | INT
- | LONG
- | FLOAT
- | DOUBLE
- | _COMPLEX
- | SIGNED
- | UNSIGNED
+ def p_type_specifier_no_typeid(self, p):
+ """ type_specifier_no_typeid : VOID
+ | _BOOL
+ | CHAR
+ | SHORT
+ | INT
+ | LONG
+ | FLOAT
+ | DOUBLE
+ | _COMPLEX
+ | SIGNED
+ | UNSIGNED
+ | __INT128
"""
- p[0] = c_ast.IdentifierType([p[1]], coord=self._coord(p.lineno(1)))
+ p[0] = c_ast.IdentifierType([p[1]], coord=self._token_coord(p, 1))
- def p_type_specifier_2(self, p):
+ def p_type_specifier(self, p):
""" type_specifier : typedef_name
| enum_specifier
| struct_or_union_specifier
+ | type_specifier_no_typeid
"""
p[0] = p[1]
@@ -738,30 +849,12 @@
"""
p[0] = p[1]
- def p_init_declarator_list_1(self, p):
+ def p_init_declarator_list(self, p):
""" init_declarator_list : init_declarator
| init_declarator_list COMMA
init_declarator
"""
p[0] = p[1] + [p[3]] if len(p) == 4 else [p[1]]
- # If the code is declaring a variable that was declared a typedef in an
- # outer scope, yacc will think the name is part of declaration_specifiers,
- # not init_declarator, and will then get confused by EQUALS. Pass None
- # up in place of declarator, and handle this at a higher level.
- #
- def p_init_declarator_list_2(self, p):
- """ init_declarator_list : EQUALS initializer
- """
- p[0] = [dict(decl=None, init=p[2])]
-
- # Similarly, if the code contains duplicate typedefs of, for example,
- # array types, the array portion will appear as an abstract declarator.
- #
- def p_init_declarator_list_3(self, p):
- """ init_declarator_list : abstract_declarator
- """
- p[0] = [dict(decl=p[1], init=None)]
-
# Returns a {decl=<declarator> : init=<initializer>} dictionary
# If there's no initializer, uses None
#
@@ -771,15 +864,40 @@
"""
p[0] = dict(decl=p[1], init=(p[3] if len(p) > 2 else None))
+ def p_id_init_declarator_list(self, p):
+ """ id_init_declarator_list : id_init_declarator
+ | id_init_declarator_list COMMA
init_declarator
+ """
+ p[0] = p[1] + [p[3]] if len(p) == 4 else [p[1]]
+
+ def p_id_init_declarator(self, p):
+ """ id_init_declarator : id_declarator
+ | id_declarator EQUALS initializer
+ """
+ p[0] = dict(decl=p[1], init=(p[3] if len(p) > 2 else None))
+
+ # Require at least one type specifier in a specifier-qualifier-list
+ #
def p_specifier_qualifier_list_1(self, p):
- """ specifier_qualifier_list : type_qualifier
specifier_qualifier_list_opt
+ """ specifier_qualifier_list : specifier_qualifier_list
type_specifier_no_typeid
"""
- p[0] = self._add_declaration_specifier(p[2], p[1], 'qual')
+ p[0] = self._add_declaration_specifier(p[1], p[2], 'type', append=True)
def p_specifier_qualifier_list_2(self, p):
- """ specifier_qualifier_list : type_specifier
specifier_qualifier_list_opt
+ """ specifier_qualifier_list : specifier_qualifier_list
type_qualifier
"""
- p[0] = self._add_declaration_specifier(p[2], p[1], 'type')
+ p[0] = self._add_declaration_specifier(p[1], p[2], 'qual', append=True)
+
+ def p_specifier_qualifier_list_3(self, p):
+ """ specifier_qualifier_list : type_specifier
+ """
+ p[0] = self._add_declaration_specifier(None, p[1], 'type')
+
+ def p_specifier_qualifier_list_4(self, p):
+ """ specifier_qualifier_list : type_qualifier_list type_specifier
+ """
+ spec = dict(qual=p[1], storage=[], type=[], function=[])
+ p[0] = self._add_declaration_specifier(spec, p[2], 'type', append=True)
# TYPEID is allowed here (and in other struct/enum related tag names),
because
# struct/enum tags reside in their own namespace and can be named the same
as types
@@ -789,29 +907,48 @@
| struct_or_union TYPEID
"""
klass = self._select_struct_union_class(p[1])
+ # None means no list of members
p[0] = klass(
name=p[2],
decls=None,
- coord=self._coord(p.lineno(2)))
+ coord=self._token_coord(p, 2))
def p_struct_or_union_specifier_2(self, p):
""" struct_or_union_specifier : struct_or_union brace_open
struct_declaration_list brace_close
+ | struct_or_union brace_open brace_close
"""
klass = self._select_struct_union_class(p[1])
- p[0] = klass(
- name=None,
- decls=p[3],
- coord=self._coord(p.lineno(2)))
+ if len(p) == 4:
+ # Empty sequence means an empty list of members
+ p[0] = klass(
+ name=None,
+ decls=[],
+ coord=self._token_coord(p, 2))
+ else:
+ p[0] = klass(
+ name=None,
+ decls=p[3],
+ coord=self._token_coord(p, 2))
+
def p_struct_or_union_specifier_3(self, p):
""" struct_or_union_specifier : struct_or_union ID brace_open
struct_declaration_list brace_close
+ | struct_or_union ID brace_open
brace_close
| struct_or_union TYPEID brace_open
struct_declaration_list brace_close
+ | struct_or_union TYPEID brace_open
brace_close
"""
klass = self._select_struct_union_class(p[1])
- p[0] = klass(
- name=p[2],
- decls=p[4],
- coord=self._coord(p.lineno(2)))
+ if len(p) == 5:
+ # Empty sequence means an empty list of members
+ p[0] = klass(
+ name=p[2],
+ decls=[],
+ coord=self._token_coord(p, 2))
+ else:
+ p[0] = klass(
+ name=p[2],
+ decls=p[4],
+ coord=self._token_coord(p, 2))
def p_struct_or_union(self, p):
""" struct_or_union : STRUCT
@@ -825,7 +962,10 @@
""" struct_declaration_list : struct_declaration
| struct_declaration_list
struct_declaration
"""
- p[0] = p[1] if len(p) == 2 else p[1] + p[2]
+ if len(p) == 2:
+ p[0] = p[1] or []
+ else:
+ p[0] = p[1] + (p[2] or [])
def p_struct_declaration_1(self, p):
""" struct_declaration : specifier_qualifier_list
struct_declarator_list_opt SEMI
@@ -866,18 +1006,14 @@
p[0] = decls
def p_struct_declaration_2(self, p):
- """ struct_declaration : specifier_qualifier_list abstract_declarator
SEMI
+ """ struct_declaration : SEMI
"""
- # "Abstract declarator?!", you ask? Structure members can have the
- # same names as typedefs. The trouble is that the member's name gets
- # grouped into specifier_qualifier_list, leaving any remainder to
- # appear as an abstract declarator, as in:
- # typedef int Foo;
- # struct { Foo Foo[3]; };
- #
- p[0] = self._build_declarations(
- spec=p[1],
- decls=[dict(decl=p[2], init=None)])
+ p[0] = None
+
+ def p_struct_declaration_3(self, p):
+ """ struct_declaration : pppragma_directive
+ """
+ p[0] = [p[1]]
def p_struct_declarator_list(self, p):
""" struct_declarator_list : struct_declarator
@@ -906,18 +1042,18 @@
""" enum_specifier : ENUM ID
| ENUM TYPEID
"""
- p[0] = c_ast.Enum(p[2], None, self._coord(p.lineno(1)))
+ p[0] = c_ast.Enum(p[2], None, self._token_coord(p, 1))
def p_enum_specifier_2(self, p):
""" enum_specifier : ENUM brace_open enumerator_list brace_close
"""
- p[0] = c_ast.Enum(None, p[3], self._coord(p.lineno(1)))
+ p[0] = c_ast.Enum(None, p[3], self._token_coord(p, 1))
def p_enum_specifier_3(self, p):
""" enum_specifier : ENUM ID brace_open enumerator_list brace_close
| ENUM TYPEID brace_open enumerator_list
brace_close
"""
- p[0] = c_ast.Enum(p[2], p[4], self._coord(p.lineno(1)))
+ p[0] = c_ast.Enum(p[2], p[4], self._token_coord(p, 1))
def p_enumerator_list(self, p):
""" enumerator_list : enumerator
@@ -939,56 +1075,52 @@
if len(p) == 2:
enumerator = c_ast.Enumerator(
p[1], None,
- self._coord(p.lineno(1)))
+ self._token_coord(p, 1))
else:
enumerator = c_ast.Enumerator(
p[1], p[3],
- self._coord(p.lineno(1)))
+ self._token_coord(p, 1))
self._add_identifier(enumerator.name, enumerator.coord)
p[0] = enumerator
- def p_declarator_1(self, p):
- """ declarator : direct_declarator
+ def p_declarator(self, p):
+ """ declarator : id_declarator
+ | typeid_declarator
"""
p[0] = p[1]
- def p_declarator_2(self, p):
- """ declarator : pointer direct_declarator
+ @parameterized(('id', 'ID'), ('typeid', 'TYPEID'), ('typeid_noparen',
'TYPEID'))
+ def p_xxx_declarator_1(self, p):
+ """ xxx_declarator : direct_xxx_declarator
+ """
+ p[0] = p[1]
+
+ @parameterized(('id', 'ID'), ('typeid', 'TYPEID'), ('typeid_noparen',
'TYPEID'))
+ def p_xxx_declarator_2(self, p):
+ """ xxx_declarator : pointer direct_xxx_declarator
"""
p[0] = self._type_modify_decl(p[2], p[1])
- # Since it's impossible for a type to be specified after a pointer, assume
- # it's intended to be the name for this declaration. _add_identifier will
- # raise an error if this TYPEID can't be redeclared.
- #
- def p_declarator_3(self, p):
- """ declarator : pointer TYPEID
- """
- decl = c_ast.TypeDecl(
- declname=p[2],
- type=None,
- quals=None,
- coord=self._coord(p.lineno(2)))
-
- p[0] = self._type_modify_decl(decl, p[1])
-
- def p_direct_declarator_1(self, p):
- """ direct_declarator : ID
+ @parameterized(('id', 'ID'), ('typeid', 'TYPEID'), ('typeid_noparen',
'TYPEID'))
+ def p_direct_xxx_declarator_1(self, p):
+ """ direct_xxx_declarator : yyy
"""
p[0] = c_ast.TypeDecl(
declname=p[1],
type=None,
quals=None,
- coord=self._coord(p.lineno(1)))
+ coord=self._token_coord(p, 1))
- def p_direct_declarator_2(self, p):
- """ direct_declarator : LPAREN declarator RPAREN
+ @parameterized(('id', 'ID'), ('typeid', 'TYPEID'))
+ def p_direct_xxx_declarator_2(self, p):
+ """ direct_xxx_declarator : LPAREN xxx_declarator RPAREN
"""
p[0] = p[2]
- def p_direct_declarator_3(self, p):
- """ direct_declarator : direct_declarator LBRACKET
type_qualifier_list_opt assignment_expression_opt RBRACKET
+ @parameterized(('id', 'ID'), ('typeid', 'TYPEID'), ('typeid_noparen',
'TYPEID'))
+ def p_direct_xxx_declarator_3(self, p):
+ """ direct_xxx_declarator : direct_xxx_declarator LBRACKET
type_qualifier_list_opt assignment_expression_opt RBRACKET
"""
quals = (p[3] if len(p) > 5 else []) or []
# Accept dimension qualifiers
@@ -1001,9 +1133,10 @@
p[0] = self._type_modify_decl(decl=p[1], modifier=arr)
- def p_direct_declarator_4(self, p):
- """ direct_declarator : direct_declarator LBRACKET STATIC
type_qualifier_list_opt assignment_expression RBRACKET
- | direct_declarator LBRACKET
type_qualifier_list STATIC assignment_expression RBRACKET
+ @parameterized(('id', 'ID'), ('typeid', 'TYPEID'), ('typeid_noparen',
'TYPEID'))
+ def p_direct_xxx_declarator_4(self, p):
+ """ direct_xxx_declarator : direct_xxx_declarator LBRACKET STATIC
type_qualifier_list_opt assignment_expression RBRACKET
+ | direct_xxx_declarator LBRACKET
type_qualifier_list STATIC assignment_expression RBRACKET
"""
# Using slice notation for PLY objects doesn't work in Python 3 for the
# version of PLY embedded with pycparser; see PLY Google Code issue 30.
@@ -1022,20 +1155,22 @@
# Special for VLAs
#
- def p_direct_declarator_5(self, p):
- """ direct_declarator : direct_declarator LBRACKET
type_qualifier_list_opt TIMES RBRACKET
+ @parameterized(('id', 'ID'), ('typeid', 'TYPEID'), ('typeid_noparen',
'TYPEID'))
+ def p_direct_xxx_declarator_5(self, p):
+ """ direct_xxx_declarator : direct_xxx_declarator LBRACKET
type_qualifier_list_opt TIMES RBRACKET
"""
arr = c_ast.ArrayDecl(
type=None,
- dim=c_ast.ID(p[4], self._coord(p.lineno(4))),
+ dim=c_ast.ID(p[4], self._token_coord(p, 4)),
dim_quals=p[3] if p[3] != None else [],
coord=p[1].coord)
p[0] = self._type_modify_decl(decl=p[1], modifier=arr)
- def p_direct_declarator_6(self, p):
- """ direct_declarator : direct_declarator LPAREN parameter_type_list
RPAREN
- | direct_declarator LPAREN identifier_list_opt
RPAREN
+ @parameterized(('id', 'ID'), ('typeid', 'TYPEID'), ('typeid_noparen',
'TYPEID'))
+ def p_direct_xxx_declarator_6(self, p):
+ """ direct_xxx_declarator : direct_xxx_declarator LPAREN
parameter_type_list RPAREN
+ | direct_xxx_declarator LPAREN
identifier_list_opt RPAREN
"""
func = c_ast.FuncDecl(
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